A metering device for the discharge of a raymond mill
Patent Information
- Application Number
- CN202522471753.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-11-21
- Publication Date
- 2026-10-16
- Estimated Expiration
- 2035-11-21
AI Technical Summary
[0005]本实用新型的目的在于提供一种用于雷蒙机出料的计量装置，解决无法精确控制雷蒙机出料多少的问题，提高雷蒙机出料的降低，提高生产焦宝石的效率，同时降低工人的劳动强度
1、初始状态时，第一阀板处于倾斜状态，第二阀板处于水平状态，使得物料进入到出料通道内后，掉落在第一阀板上，由于此时第一阀板处于倾斜打开状态，使得物料顺利通过第一阀板，并落到第二阀板上，由于第二阀板处于水平关闭状态，阻拦物料进一步滑出，当第二阀板的物料逐渐增加后，第二阀板所承受的物料重力逐渐增加，逐渐压缩第二安装座与料仓之间设有的复位弹簧，配合测距传感器检测第二安装座的位移量，输入复位弹簧的弹簧系数，可换算出第二阀板上物料的重量，从而准确计量物料出料的质量，精确把控雷蒙机出料的多少，防止出料过多，导致物料洒出，或出料过少，影响运输研磨后焦宝石的效率，从而提高生产焦宝石的效率；
Smart Images
Figure CN224861162U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the technical field of Raymond mills, specifically a metering device for the output of Raymond mills. Background Technology
[0002] As a key aluminosilicate mineral raw material, fused alumina holds an irreplaceable position in various industrial fields such as refractory materials, ceramics, building materials, and metallurgy due to its excellent high-temperature resistance, good chemical stability, and high aluminum content. In actual industrial production processes, fused alumina needs to undergo a series of processing steps such as crushing, grinding, and grading to form powdered materials of specific particle sizes before it can meet the technical requirements of subsequent production processes. Raymond mills, as highly efficient medium-fine grinding equipment, have become the core equipment in the current fused alumina grinding and processing system due to their compact structure, convenient operation, and high grinding efficiency.
[0003] The working mechanism of the Raymond mill is as follows: After the raw material of coke is crushed to the preset particle size by pre-treatment equipment such as jaw crusher, it is conveyed to the grinding chamber of Raymond mill by the feeding system; in the grinding chamber, the rotating grinding roller and the fixed grinding ring form a squeezing and grinding action to crush the raw material; the ground material enters the classifier under the action of the airflow driven by the fan, and the classifier completes the material screening according to the preset particle size threshold - the material that meets the particle size requirements enters the hopper with the airflow for collection, and is discharged from the discharge port at the bottom of the hopper to enter the subsequent process.
[0004] However, when the coke is discharged from the silo, the metering of each discharge cannot be precisely controlled. Each time the ground coke is collected, a ton bag is placed over the discharge port of the receiving silo, and the valve is manually controlled to open and close to collect the ground coke. This increases the labor intensity of workers to some extent, and it is also impossible to accurately control the amount of material discharged. When the ton bag is overfilled, the ground coke is prone to spilling out. When the ton bag is underfilled, it will affect the efficiency of transporting the ground coke, thus reducing the efficiency of coke production to some extent. Utility Model Content
[0005] The purpose of this invention is to provide a metering device for Raymond mill output, which solves the problem of not being able to accurately control the amount of Raymond mill output, improves the output of Raymond mill, increases the efficiency of producing coke, and at the same time reduces the labor intensity of workers.
[0006] To achieve the above objectives, the utility model employs the following technical solution: A metering device for Raymond mill discharge includes a discharge channel at the bottom of a hopper, and two first mounting seats and two second mounting seats respectively disposed on both sides of the hopper. A first rotating shaft and a second rotating shaft are rotatably connected between the two first mounting seats and between the two second mounting seats. A first valve plate and a second valve plate are respectively disposed on the first rotating shaft and the second rotating shaft. The second mounting seats are slidably disposed vertically on the hopper. The hopper is provided with a groove that is slidably connected to the second rotating shaft. The hopper is provided with a distance measuring sensor that cooperates with the second mounting seat. A return spring is provided between the second mounting seat and the hopper.
[0007] Furthermore, there is an angle between the first valve plate and the second valve plate, and the hopper is provided with a drive mechanism that simultaneously drives the first rotating shaft and the second rotating shaft to rotate.
[0008] Furthermore, the drive mechanism includes a telescopic cylinder rotatably mounted on the hopper, and the movable end of the telescopic cylinder is rotatably connected to a lever that is rotatably connected to the first rotating shaft.
[0009] Furthermore, the ends of the first rotating shaft and the second rotating shaft are respectively provided with a first conical tooth and a second conical tooth. The hopper is rotatably connected to a drive shaft and a spline shaft. The end of the drive shaft is provided with a spline groove that slides in contact with the spline shaft. The end of the drive shaft is provided with a third conical tooth that meshes with the first conical tooth. The end of the spline shaft is provided with a fourth conical tooth that meshes with the second conical tooth.
[0010] Furthermore, baffles that cooperate with the slide groove are provided on both sides of the second valve plate.
[0011] Furthermore, the hopper is provided with limiting plates that contact the first valve plate and the second valve plate respectively.
[0012] Furthermore, a first bearing and a second bearing are respectively provided between the first mounting base and the first rotating shaft, and between the second mounting base and the second rotating shaft.
[0013] Compared with the prior art, the beneficial effects of this utility model are as follows: 1. In the initial state, the first valve plate is tilted and the second valve plate is horizontal. After the material enters the discharge channel, it falls onto the first valve plate. Since the first valve plate is tilted and open at this time, the material passes through the first valve plate smoothly and falls onto the second valve plate. Since the second valve plate is horizontal and closed, it prevents the material from sliding out further. As the material on the second valve plate gradually increases, the weight of the material on the second valve plate gradually increases, gradually compressing the reset spring between the second mounting base and the hopper. With the help of the distance sensor to detect the displacement of the second mounting base and inputting the spring coefficient of the reset spring, the weight of the material on the second valve plate can be calculated, thereby accurately measuring the quality of the material output and precisely controlling the amount of material output from the Raymond mill. This prevents excessive output, which would cause the material to spill out, or insufficient output, which would affect the efficiency of transporting and grinding the coke, thereby improving the efficiency of coke production. 2. When the ranging sensor detects that the second mounting seat has moved down a certain distance, the first rotating shaft is rotated between the two first mounting seats to change the angle of the first valve plate, so that the first valve plate is in a horizontal state, preventing the material from moving down further. At the same time, the second rotating shaft is rotated between the two second mounting seats to change the angle of the second valve plate, so that the second valve plate is in a tilted state, allowing the material on the second valve plate to fall off and slide out of the hopper into the ton bag. This allows for precise control of the amount of material discharged from the Raymond mill, improving the efficiency of producing coke and avoiding material waste. At the same time, there is no need for manual control of valve opening and closing, and no need to observe the amount of material filling for a long time, further reducing the labor intensity of workers. Attached Figure Description
[0014] Appendix Figure 1 This is a schematic diagram of the structure of the silo of this utility model.
[0015] Appendix Figure 2 This is a schematic diagram of the drive shaft of this utility model.
[0016] Appendix Figure 3 This is a schematic diagram of the spline shaft of this utility model.
[0017] Appendix Figure 4 This is a schematic diagram of the structure of the first valve plate of this utility model.
[0018] The labels shown in the attached diagram: 1. Hopper; 2. Discharge channel; 3. First mounting base; 4. Second mounting base; 5. First rotating shaft; 6. Second rotating shaft; 7. First valve plate; 8. Second valve plate; 9. Slide groove; 10. Distance sensor; 11. Return spring; 12. Telescopic cylinder; 13. Lever; 14. First conical tooth; 15. Second conical tooth; 16. Drive shaft; 17. Splined shaft; 18. Spline groove; 19. Third conical tooth; 20. Fourth conical tooth; 21. Baffle; 22. Limiting plate; 23. First bearing; 24. Second bearing. Detailed Implementation
[0019] The present invention will be further illustrated below with reference to specific embodiments. It should be understood that these embodiments are for illustrative purposes only and are not intended to limit the scope of the present invention. Furthermore, it should be understood that after reading the teachings of this invention, those skilled in the art can make various alterations or modifications to the present invention, and these equivalent forms also fall within the scope defined in this application.
[0020] This utility model provides a metering device for the output of a Raymond mill, such as... Figures 1-4 As shown, the hopper includes a discharge channel 2 located at the bottom of the hopper 1, and two first mounting seats 3 and two second mounting seats 4 respectively located on both sides of the hopper 1. A first rotating shaft 5 and a second rotating shaft 6 are rotatably connected between the two first mounting seats 3 and between the two second mounting seats 4, respectively. A first valve plate 7 and a second valve plate 8 are respectively provided on the first rotating shaft 5 and the second rotating shaft 6. The second mounting seats 4 are slidably mounted vertically on the hopper 1. The hopper 1 is provided with a sliding groove 9 that is slidably connected to the second rotating shaft 6. The hopper 1 is provided with a device that cooperates with the second mounting seats 4. The ranging sensor 10 has a return spring 11 between the second mounting base 4 and the hopper 1. Initially, the first valve plate 7 is tilted and the second valve plate 8 is horizontal, allowing material entering the discharge channel 2 to fall onto the first valve plate 7. Since the first valve plate 7 is tilted and open, the material passes smoothly through and falls onto the second valve plate 8. Because the second valve plate 8 is horizontally closed, it prevents further material from sliding out. As the material on the second valve plate 8 gradually increases, the weight of the material on the second valve plate 8 gradually increases. A return spring 11, located between the second mounting base 4 and the hopper 1, works in conjunction with a distance sensor 10 to detect the displacement of the second mounting base 4. By inputting the spring coefficient of the return spring 11, the weight of the material on the second valve plate 8 can be calculated, thereby accurately measuring the quality of the discharged material and precisely controlling the amount of material discharged from the Raymond mill. This prevents excessive discharge, which could lead to spillage, or insufficient discharge, which could affect the efficiency of transporting and grinding the coke, thus improving the efficiency of coke production. When the distance sensor 10 detects that the second mounting base 4 has moved down a certain distance, it rotates between the two first mounting bases 3. The first rotating shaft 5 changes the angle of the first valve plate 7, making the first valve plate 7 horizontal and preventing the material from moving further downward. At the same time, the second rotating shaft 6 rotates between the two second mounting seats 4, changing the angle of the second valve plate 8, making the second valve plate 8 tilted, allowing the material on the second valve plate 8 to fall off and slide out of the hopper 1 into the ton bag. This allows for precise control of the amount of material discharged from the Raymond mill, improving the efficiency of producing coke and avoiding material waste. At the same time, it eliminates the need for manual control of valve opening and closing and the need for long-term observation of material filling, further reducing the labor intensity of workers.
[0021] Preferred, such as Figure 1 and Figure 4 As shown, there is an angle between the first valve plate 7 and the second valve plate 8, so that when the material passes through the first valve plate 7, the second valve plate 8 is in a closed state, ensuring that the material accumulates on the second valve plate 8, thereby accurately controlling the amount of material discharged from the Raymond mill, improving the efficiency of producing coke, and avoiding material waste. In addition, when the second valve plate 8 is opened, the first valve plate 7 is closed at the same time, preventing the material from passing through the first valve plate 7 further, preventing too much material from entering the ton bag, and thus improving the discharge accuracy of the Raymond mill. The hopper 1 is equipped with a drive mechanism that simultaneously drives the first rotating shaft 5 and the second rotating shaft 6 to rotate. The drive mechanism simultaneously drives the first valve plate 7 and the second valve plate 8 to rotate, thereby changing the opening and closing state of the first valve plate 7 and the second valve plate 8, ensuring normal material discharge, and improving the discharge accuracy of the Raymond mill.
[0022] Preferred, such as Figure 1 As shown, the driving mechanism includes a telescopic cylinder 12 rotatably mounted on the hopper 1. The movable end of the telescopic cylinder 12 is rotatably connected to a lever 13 rotatably connected to the first rotating shaft 5. By extending and retracting the movable end of the telescopic cylinder 12, one end of the lever 13 is moved, thereby providing power to drive the first rotating shaft 5 to rotate.
[0023] Preferred, such as Figure 2 and Figure 3 As shown, the ends of the first rotating shaft 5 and the second rotating shaft 6 are respectively provided with a first conical tooth 14 and a second conical tooth 15. A drive shaft 16 and a splined shaft 17 are rotatably connected to the hopper 1. The end of the drive shaft 16 is provided with a spline groove 18 that slides in contact with the splined shaft 17. The end of the drive shaft 16 is provided with a third conical tooth 19 that meshes with the first conical tooth 14. The end of the splined shaft 17 is provided with a fourth conical tooth 20 that meshes with the second conical tooth 15. When the first rotating shaft 5 rotates, it drives the first conical tooth 14 to rotate. Because the third conical tooth 19 at the end of the drive shaft 16 meshes with the first conical tooth 14, it generates… The torque drives the drive shaft 16 to rotate. Since the spline groove 18 on the drive shaft 16 slides in contact with the spline shaft 17, it drives the spline shaft 17 to rotate. Since the fourth conical tooth 20 on the end of the spline shaft 17 meshes with the second conical tooth 15 on the end of the second rotating shaft 6, it drives the second rotating shaft 6 to rotate. At the same time, it drives the first rotating shaft 5 and the second rotating shaft to rotate, and changes the opening and closing state of the first valve plate 7 and the second valve plate 8. No additional programming is required for control, which further reduces the difficulty of programming. In addition, no additional power unit is required to drive the second rotating shaft 6 to rotate, which further reduces the cost of manufacturing the drive device and the space required for installation.
[0024] Preferred, such as Figure 3As shown, the second valve plate 8 is provided with baffles 21 on both sides to cooperate with the slide groove 9, so as to prevent the material from sliding out of the slide groove 9 and improve the discharge accuracy of the Raymond machine.
[0025] Preferred, such as Figure 4 As shown, the hopper 1 is provided with limiting plates 22 that contact the first valve plate 7 and the second valve plate 8 respectively, to ensure that the first valve plate 7 and the second valve plate 8 are closed in place, to prevent materials from sliding out from the gap between the first valve plate 7 and the hopper 1, and the gap between the second valve plate 8 and the hopper 1, thereby improving the discharge accuracy of the Raymond mill.
[0026] Preferred, such as Figure 3 As shown, a first bearing 23 and a second bearing 24 are respectively provided between the first mounting base 3 and the first rotating shaft 5, and between the second mounting base 4 and the second rotating shaft 6, to reduce the friction between the first rotating shaft 5 and the second rotating shaft 6 and improve the smoothness of rotation of the first rotating shaft 5 and the second rotating shaft 6.
[0027] Example 1 This utility model provides a metering device for the output of a Raymond mill, such as... Figures 1-4 As shown, in the initial state, the first valve plate 7 is tilted and the second valve plate 8 is horizontal. This allows material entering the discharge channel 2 to fall onto the first valve plate 7. Since the first valve plate 7 is tilted and open at this time, the material passes smoothly through it and falls onto the second valve plate 8. Because the second valve plate 8 is horizontal and closed, it prevents the material from sliding out further. As the material on the second valve plate 8 gradually increases, the weight of the material on the second valve plate 8 gradually increases, gradually compressing the return spring 11 located between the second mounting base 4 and the hopper 1. By cooperating with the distance sensor 10 to detect the displacement of the second mounting base 4 and inputting the spring coefficient of the return spring 11, the weight of the material on the second valve plate 8 can be calculated. This allows for accurate measurement of the material output quality, precise control of the Raymond mill's output, and prevention of over-discharge. Excessive material output can lead to spillage or insufficient output, affecting the efficiency of transporting and grinding the coke gemstones, thus hindering the production efficiency of coke gemstones. When the ranging sensor 10 detects that the second mounting base 4 has moved down a certain distance, the first rotating shaft 5 is rotated between the two first mounting bases 3, changing the angle of the first valve plate 7 so that the first valve plate 7 is in a horizontal state, preventing the material from moving further down. At the same time, the second rotating shaft 6 is rotated between the two second mounting bases 4, changing the angle of the second valve plate 8 so that the second valve plate 8 is in a tilted state, allowing the material on the second valve plate 8 to fall off and slide out of the hopper 1 into the ton bag. This allows for precise control of the amount of material discharged from the Raymond mill, improving the production efficiency of coke gemstones, avoiding material waste, and eliminating the need for manual valve opening and closing or long-term observation of the material filling amount, further reducing the labor intensity of workers.
[0028] Example 2 Based on Example 1, such as Figures 1-4 As shown, in the initial state, the first valve plate 7 is tilted and the second valve plate 8 is horizontal, allowing the material to smoothly pass through the first valve plate 7 after entering the discharge channel 2 and fall onto the second valve plate 8. This gradually compresses the return spring 11 located between the second mounting base 4 and the hopper 1. The displacement of the second mounting base 4 is detected by the distance sensor 10, accurately measuring the mass of the discharged material. When the material on the second valve plate 8 reaches a certain amount, the telescopic cylinder 12 extends and retracts, moving one end of the lever 13. Since the other end of the lever 13 is rotatably connected to the first rotating shaft 5, it drives the first rotating shaft 5 to rotate, causing the first conical tooth 14 to rotate. Because the third conical tooth 19 at the end of the drive shaft 16 meshes with the first conical tooth 14, the resulting torque drives the drive shaft 16 to rotate. Because the spline groove 18 on the drive shaft 16 slides in contact with the spline shaft 17, it drives the spline shaft 17 to rotate. Because the fourth conical tooth 20 on the end of the spline shaft 17 meshes with the second conical tooth 15 on the end of the second rotating shaft 6, it drives the second rotating shaft 6 to rotate. At the same time, it drives the first rotating shaft 5 and the second rotating shaft to rotate, and at the same time changes the opening and closing state of the first valve plate 7 and the second valve plate 8. When the second valve plate 8 opens, the first valve plate 7 closes at the same time, preventing material from passing through the first valve plate 7 and preventing too much material from entering the ton bag, thereby improving the discharge accuracy of the Raymond mill. In addition, no additional programming is required for control, which further reduces the programming difficulty. Furthermore, no additional power unit is required to drive the second rotating shaft 6 to rotate, which further reduces the cost of manufacturing the drive unit and the space required for installation.
Claims
1. A metering device for Raymond mill discharge, comprising a discharge channel (2) disposed at the bottom of a hopper (1), characterized in that: It also includes two first mounting seats (3) and two second mounting seats (4) respectively set on both sides of the hopper (1). A first rotating shaft (5) and a second rotating shaft (6) are rotatably connected between the two first mounting seats (3) and between the two second mounting seats (4). A first valve plate (7) and a second valve plate (8) are respectively provided on the first rotating shaft (5) and the second rotating shaft (6). The second mounting seat (4) is slidably set on the hopper (1) in the vertical direction. The hopper (1) is provided with a sliding groove (9) that is slidably connected to the second rotating shaft (6). The hopper (1) is provided with a distance measuring sensor (10) that works with the second mounting seat (4). A return spring (11) is provided between the second mounting seat (4) and the hopper (1).
2. The metering device for Raymond mill output according to claim 1, characterized in that: There is an angle between the first valve plate (7) and the second valve plate (8), and the hopper (1) is provided with a drive mechanism that simultaneously drives the first rotating shaft (5) and the second rotating shaft (6) to rotate.
3. The metering device for Raymond mill output according to claim 2, characterized in that: The driving mechanism includes a telescopic cylinder (12) rotatably mounted on the hopper (1), and the movable end of the telescopic cylinder (12) is rotatably connected to a lever (13) rotatably connected to the first rotating shaft (5).
4. A metering device for Raymond mill output according to claim 3, characterized in that: The ends of the first rotating shaft (5) and the second rotating shaft (6) are respectively provided with a first conical tooth (14) and a second conical tooth (15). The hopper (1) is rotatably connected to a drive shaft (16) and a spline shaft (17). The end of the drive shaft (16) is provided with a spline groove (18) that slides in contact with the spline shaft (17). The end of the drive shaft (16) is provided with a third conical tooth (19) that meshes with the first conical tooth (14). The end of the spline shaft (17) is provided with a fourth conical tooth (20) that meshes with the second conical tooth (15).
5. A metering device for Raymond mill output according to claim 1, characterized in that: The second valve plate (8) is provided with baffles (21) on both sides for use with the slide groove (9).
6. A metering device for Raymond mill output according to claim 1, characterized in that: The hopper (1) is provided with limiting plates (22) that are in contact with the first valve plate (7) and the second valve plate (8).
7. A metering device for Raymond mill output according to claim 1, characterized in that: A first bearing (23) and a second bearing (24) are respectively provided between the first mounting base (3) and the first rotating shaft (5), and between the second mounting base (4) and the second rotating shaft (6).